This tutorial explains how a Java HashMap works internally and explores the challenges of implementing it, including buckets, collisions and hash codes.

JSONLD-Java uses the Apache HTTPComponents Client for these network connections, based on the SystemDefaultHttpClient which reads standard Java properties like http.proxyHost. The default HTTP Client ...

why spring boot3+shardingsphere 5.4.1 still report java.lang.ClassNotFoundException: com.sun.xml.internal.bind.v2.ContextFactory #28845 ...

Peter Lawrey discusses Unsafe in Java 8, Project Panama in Java 17 and Java 19, including pactical uses with code examples, demo using Panama, Event Sourcing using shared memory with Chronicle Queue.

If you use any Java internal APIs in your code, it is time to stop. And if you don't stop on your own, Oracle will stop it for you.

The conventional Java based method of data encryption and decryption exists such problems as low efficiency and complicated programming. To resolve these problems, an efficient implementation which ...

Learn about the importance of method chaining in internal DSLs, then try creating an external DSL using a powerful language recognition tool, openArchitectureWare.

Those of you familiar with the Builder Pattern may already be thinking what I was. That enclosing class looks a lot like a Builder with the nested class as its Product! It turns out that an ...